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	Title	Author(s)	Issue Date
	High efficiency AC-DC converter with power factor corrector	Liu Joe Chui PongPoon Franki Ngai KitPong, MH	2002
	Method of and device for inspecting images to detect defects	Pang, GKHKumar Ajay	2002
	Current driven synchronous rectifier with energy recovery using hysteresis driver	Liu, Joe Chui PongPoon, Franki Ngai KitPong, MH	2005
	Semiconductor color-tunable broadband light sources and full-color microdisplays	Choi, HWHui, Kwun NamWang, Xiang-Hua	2010
	Apparatus, systems and methods for wireless purchase and on-line inventory management in vending machines	Yung, Hon ChingLai, Hon SengLeung, Kwong Keung	2003
	AC-DC converter with low ripple output	Poon, Franki Ngai KitPong, MHLiu, Joe Chui Pong	2004
	High efficiency driver for color light emitting diodes (LED)	Poon, Franki Ngai KitPong, MHLiu, Joe Chui-Pong	2007
	Power converter	Poon, Franki Ngai-KitPong, MHLiu, Joe Chui-Pong	2007
	SEMICONDUCTOR COLOR-TUNABLE BROADBAND LIGHT SOURCE AND FULL-COLOR MICRODISPLAYS	Choi, HWHui KwunnamWang Xianghua	2011
	A rectifier apparatus and a method for operating arectifier apparatus	Joe Chui Pong LiuFranki Ngai Kit PoonPong, MH	2007
	High efficency driver for color light emitting diodes	Franki Ngai Kit PoonMan Hay PongJoe Chui Pong Liu	2007
	WIRELESS PURCHASE CONTROLLING APPARATUS AND SYSTEM, WIRELESS PURCHASE CONTROL AND INVENTORY MANAGEMENT SYSTEM, WIRELESS PURCHASE CONTROL METHOD, WIRELESS PURCHASE METHOD, WIRELESS PURCHASE CONTROL AND ONLINE INVENTORY MANAGEMENT CONTROL METHOD, ONLINE INVENTORY MANAGEMENT CONTROL COMPUTER PROGRAM, MERCHANDISE PURCHASE SYSTEM AND SYSTEM FOR ONLINE INVENTORY INFORMATION ACQUISITION, STORAGE AND AUTOMATIC COMMUNICATION WITH CENTRAL COMPUTER	Yung Hon ChingLeung Kwong KeungLai Hon Seng	2002
	Tricolor led display system having audio output.	Pang, GKHYang, ESTo-On KwantChi-Ho ChanKa-Lim Ho	2005
	NONINVASIVE METHOD TO ESTIMATE VARIATION OF BLOOD GLUCOSE LEVELS USING METABOLIC MEASUREMENTS	Lee, ChiyeungCheung, YingsheungLam, KSLLi, VOK	2009
	AC-DC CONVERTER WITH LOW RIPPLE OUTPUT	Poon, Ngaikit FrankiPong, MHLiu, Chuipong Joe	2004
	STEPPING INDUCTOR FOR FAST TRANSIENT RESPONSE OF SWITCHING CONVERTER	Poon, Ngaikit, FrankiPong, MHLiu, Chuipong, Joe	2005
	DIMMABLE BALLAST WITH RESISTIVE INPUT AND LOW ELECTROMAGNETIC INTERFERENCE	Poon, Ngaikit, FrankiPong, MHLiu, Chiupong, Joe	2006
	Apparatus for improving stability and dynamic response of half-bridge converter	Liu Chui Pong, JoePoon Ngai Kit, FrankiPong, MH	2003
	TRICOLOR LED DISPLAY SYSTEM HAVING AUDIO OUTPUT	Pang, GKHYang, ESKwan, To-OnChan, Chi-HoHo, Ka-Lim	2009
	High efficiency driver for color light emitting diodes (LED)	Poon, Franki Ngai KitPong, MHLiu, Joe Chui Pong	2003